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Question: Answered & Verified by Expert
If an alpha particle and a proton are accelerated from rest by a potential difference of 1 MeV, then the ratio of their kinetic energies will be
PhysicsElectrostaticsNEET
Options:
  • A 3
  • B 1
  • C 2
  • D 4
Solution:
1014 Upvotes Verified Answer
The correct answer is: 2
From conservation of mechanical energy

ΔKE=qVi-Vf

KαKp=2eVeV

KαKp=21

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